释义 |
cotton grassnoun [mass noun]A sedge which typically grows on wet moorlands in the northern hemisphere, producing tufts of long white silky hairs which aid in the dispersal of the seeds. Also called bog cotton.- Genus Eriophorum, family Cyperaceae.
Two species of sedges that form cottony seed masses are called cotton grass....- The surrounding land drops down close to 2,500 feet, and possesses all the flora and fauna you'd expect from an Appalachian mountain range - mountain laurel, rhododendron, cotton grass, pine trees and all the deer you can fathom.
- On one side of the water is a wide plain, speckled white with Arctic cotton grass.
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